EL driver with lamp discharge monitor
US6320323A · kind A · utility
20Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2000 |
| Grant date | Nov 20, 2001 |
| Priority date | — |
| Expiry date | May 18, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A driver for an EL lamp includes a voltage detector coupled to the lamp for monitoring the voltage across the lamp and providing an indication of when the lamp is substantially discharged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.